468 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I50 



Anseriformes, 129 

 antarcticus, Podiceps, 27 



Podilymbus podiceps, 27 

 anthracinus, Buteogallus, 174, 230, 231, 

 232 



Buteogallus anthracinus, 235 



Falco, 235 

 antillarum, Podilymbus podiceps, 26 

 Aphriza virgata, 394, 407 

 Aramidac, 334 

 Aramides axillaris, 339, 346 



cajanea, 339, 341 



cajanea cajanea, 344, 347 



cajanea latens, 345 



cajanea morrisoni, 345 

 Aramus guarauna, 335 



guarauna dolosus, 338 



guarauna guarauna, 337 



pictus dolosus, 338 

 aranea, Gelochelidon nilotica, 439, 449 



Sterna, 449 

 Ardea, 78 



Agami, 95 



caerulea, 91 



cayennensis, 102 



cocoi, 78, 81, 82 



crythromelas, 113 



Egretta, 88 



exilis, 113 



herodias, 78, 80 



herodias fannini, 82 



herodias herodias, 80, 82 



herodias lessonii, 81 



Hoactli, 99 



Ibis, 93 



lentiginosa, 112 



lineata, 106 



pileata, 97 



ralloides, 95 



striata, 86 



Thula, 89 



violacea, 101 



virescens, 84 

 Ardeidae, 78 

 Ardeola, 95 



Arenaria interpres morinella, 394, 408 

 arguta, Rupornis magnirostris, 213 

 argutus, Buteo magnirostris, 213 

 Astur mirandollei, 264 

 Asturina nitida costaricensis, 201 



ruficauda, 215 

 athalassos, Sterna albifrons, 458 

 atratus, Coragyps, 154 



Coragyps atratus, 161 



atricilla, Larus, 439, 442 

 audubonii, Caracara plancus, 273 



Polyborus, 273 

 aura, Cathartes, 154, 161 



Cathartes aura, 165 



Vultur, 165 

 australis, Rhynchortyx cinctus, 333 

 autumnalis. Anas, 132 



Dendrocygna autumnalis, 129, 132 

 Aves del tropica, 48 

 Avetoro pasajero, 112 

 Avocetas, 427 

 Avocets, 427 



axillaris, Aramides, 339, 346 

 Aythya affinis, 130, 148 



collaris, 130, 150 

 azarae, Buteogallus urubitinga, 230 



Bairdii, Actodromas, 422 

 bairdii, Erolia, 395, 422 

 balzarensis, Geranospiza caerulescens, 

 255 



Ischnosceles caerulescens, 253, 255 

 bancrofti, Nyctanassa violacea, 101 

 Bandurria cotniin, 126 

 bangsi, Buteogallus anthracinus, 234, 

 235, 236 



Urubitinga anthracina, 236 

 Bartramia longicauda, 394, 395 

 beldingi, Charadrius wilsonia, 392 



Pagolla wilsonia, 392 

 Belonopterus chilensis, 382 



chilensis cayennensis, 383 

 bendirei, Falco columbarius, 290 

 bicolor, Accipiter bicolor, 174, 190 



Anas, 131 



Dendrocygna bicolor, 129, 131 



Sparvius, 190 

 bidentatus, Harpagus bidentatus, 184, 



186 

 Bittern, American, 79, 112 



Least, 79, 113 

 blakei, Buteo nitidus, 174, 199 

 Boba blanca, 63 

 Boba borrega, 60 

 Bobas, 55 

 Bobwhite, 316 



Crested, 311 

 bonapartei, Nothocercus, 6 

 Boobies, 55 

 Booby, Blue-faced, 56, 60 



Blue-footed, 56, 61 



Brown, 56 



Red-footed, 55, 63 



